How cancer spreads

Cancer of the throat or larynx

From a top view of the voice box (larynx) and vocal cords, this animation shows the formation of a malignant tumor on the right vocal cord.

• Cancer

Stroke - secondary to cardiogenic embolism

This animation shows a piece of clot breaking away from the heart, travelling to the brain, resulting in a stroke.

• Stroke

Forearm stretches for the workplace

Forearm stretches can help prevent stiffness. Try these stretches at work.

Barium enema

See what to expect during an X-ray examination of your colon.

Glaucoma

This animation shows the affects of untreated glaucoma.

• Vision